Seiko Cal. 0743 - 920

This Spring Drive model from 1972 features a 43mm Two-Tone case. Powered by the 0743 caliber with 32j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-6704afffea8c]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1972

Related Models

• Seiko 6623-938
• Seiko 4454-330
• Seiko 4423-280
• Seiko 3830-781
• Seiko 6396-327
• Seiko 6340-222
• Seiko 7118-857
• Seiko 6677-177
• Seiko 6114-800
• Seiko 6359-933
• Seiko 6188-617
• Seiko 4433-613